Smoking pipe



June 7, 1932. c. E. MAYNARD SMOKING PIPE Filed Dec. 7, 1929 INVENTOR. Char/es fqyar Nay/20rd. BY

ATTORNEY.

Patented June 7, 1932 i UNITED STATES PATENT OFFICE CHARLES EDGAR MAYNARD, OF NORTHAMPTON, MASSACHUSETTS SMOKING PIPE Application filed December 7, 1929. Serial No. 412,351.

My invention relates to smoking pipes and with a slot 16 in which a knife blade or the more particularly to a pipe having improved edge of a coin or the like may be engaged to means for keeping the stem and bowl thereof remove plug 7 from the pipe. As shown, the free of foreign matter. Other and further passage 8 functions due to its shape as a objects will be apparent from the following trap preventing the passage of tobacco and 55 specification and clalm. ashes to the stem 5.

In the accompanying drawing which illus- It will be seen that from my construction trates one embodiment of my invention, I provide means for quickly freeing the stem Fig. l is a longitudinal section of a pipe and mouthpiece of the pipe from foreign matmade according to my invention and with the ter without the use of the ordinary pipe cleanparts in normal smoking position; ing devices and without danger of blowing Fig. 2 is a similar section but with the parts such foreign matter into the bowl of the pipe. in position for removing foreign matter from Having described one embodiment of my the stem; and invention, I claim: Fig. 3 is a section substantially on line A smoking pipe having a bowl provided 3-3 of Fig. 2. on its under side with a recess and having a Referring to the drawing, 1 designates the passage connecting the recess with the bowl, bowl of the pipe, 2 the shank of the bowl and a movable mouthpiece, a plug removably po- 3 the mouthpiece. The mouthpiece is prositioned in said recess, said plug being provided with a stem 5 the outer end of which vided with a duct registering with the pas- 70 engages in a recess 6 formed in a cylindrical sage to the bowl and with a duct leading to plug 7 which is threaded into a cylindrical the outside of the plug, a stem carried by the recess 8 adjacent the base of the bowl. The mouthpiece and adapted to be selectively conrecess 6 in which the end of the stem 5 engages nected directly with the duct leading to the is provided with a passage 9 extending to the bowl or with the duct leading to the outside outside face of plug 7 and a passage 10 conof the plug upon rotation of the mouthpiece. necting with a duct 11 formed in plug 7 and CHARLES EDGAR MAYNARD. connecting in turn with a passage 12 to the bowl of the pipe. The stem 5 may or may not be closed at the end but is provided with an aperture 14 which, when the stem and mouthpiece are in normal smoking position as shown in Fig. 1, registers with passage 10 in plug 7 to form a continuous smoke passage from the bowl of the pipe to the mouthpiece. 35

The stem 5 is secured to the mouthpiece .3 as by threads 15 so that the stem; 5 will turn with the mouthpiece 3. When the stem 5 and mouthpiece 3 become fouled with moisture or foreign matter it is only necessary to turn the 90 mouthpiece 3 and with it the stem 5 through an angle of 180 to position the parts as shown in Fig. 2, i. e., with aperture 14 registering with passage 9 in which position the matter which has collected in the stem 5 and mouth- 95 piece 3 may be blown out through passage 9. For general cleaning the plug 7 may be removed, the mouthpiece 3 and stem 5 having been first withdrawn, and to facilitate this removal of the plug 7 I provided the latter mo 

